﻿// Copyright 2017 the original author or authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Steeltoe.Stream.Binder
{
    public abstract class AbstractBinding : IBinding
    {
        public virtual IDictionary<string, object> ExtendedInfo => new Dictionary<string, object>();

        public virtual string Name => null;

        public virtual string BindingName => null;

        public virtual bool IsInput => throw new InvalidOperationException(
                "Binding implementation `" + this.GetType().Name
                        + "` must implement this operation before it is called");

        public virtual bool IsRunning => false;

        public virtual Task Pause()
        {
            return Stop();
        }

        public virtual Task Resume()
        {
            return Start();
        }

        public virtual Task Start()
        {
            return Task.CompletedTask;
        }

        public virtual Task Stop()
        {
            return Task.CompletedTask;
        }

        public virtual Task Unbind()
        {
            return Task.CompletedTask;
        }
    }
}
